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发明名称
Ball mill
摘要
申请公布号
US2215766(A)
申请公布日期
1940.09.24
申请号
US19390287838
申请日期
1939.08.01
申请人
HARRY REYNOLDS
发明人
REYNOLDS HARRY
分类号
B02C17/04
主分类号
B02C17/04
代理机构
代理人
主权项
地址
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